Farrier Multihulls 


Please take a moment to read about Standard Finishes and Options, and How to Order.

If you've bought the plans and are looking for a fabricator for your foils, this is the place to come!   Phil's Foils CNC shaped cores give a head start that is far superior to the shapes most people are able to achieve by hand.


F-9

F-9A Underslung Rudder

Design: F9AR  

Need a replacement for the original underslung-style rudder?   This one is done in woven and unidirectional eglass over a foam core.

Price of rudder blade::

 

Rudder post is extra and billed at actual cost - approximately $500 for materials and machine shop work if done in 316 alloy stainless steel.

The rudder at right included an optional fence.

 

F-9 Daggerboard-style Rudder (also applicable to the F-31, F-32, F-33)

Design: F9DBR  

Need a rudder blade made for your transom-hung upgrade kit?

Standard construction is a mixed balsa and foam core, with carbon laminates.

rudder blade only:

 

Rudder blade shown with white epoxy primer finish on wetted length and head painted  in gloss white 2 part polyurethane.

 

Design: F9A DB  
Daggerboard
 
Standard construction is balsa core with foam leading and trailing edges, using fiberglass (eglass) skins and carbon unidirectionals.
 
 
Foam or cedar cores, or 100% carbon laminates, are available as options.  Please inquire for price.
 

This F9A daggerboard was done in cedar.  Head finished in polyurathane paint, and foil finished in white epoxy primer.

This one was done in carbon over a foam & balsa core:

 

 


F-82

F-82 Daggerboard-style Rudder Upgrade (also adaptable to F-24, F-25A, and F-28)

Design: F82DBR  

Need a rudder blade for your F-82 transom hung rudder upgrade?

The tooling has been developed to provide molded rudder blades, at "racing length",  with a gelcoat finish.   

Rudder blade only:

 

A slight weight/strength benefit can be obtained by ordering the rudder as a one-off instead with painted finish (ie: vacuum-bagged layup over a cnc shaped core) - add $300.

 

The rudder blade is shown below (gloss white gelcoat finish). 

 

Design: F82R CB  
Centerboard
 
Standard construction is balsa core with foam leading and trailing edges, using fiberglass (eglass) skins and carbon unidirectionals.  
 
 
Foam or cedar cores, or 100% carbon laminates, are available as options.  Please inquire for price.
 
 

This F-82R CB is ready to go, with polyurathane painted head and white epoxy primer foil.

 

Design: F82R DB  
Daggerboard
 
Standard construction is balsa core with foam leading and trailing edges, using fiberglass (eglass) skins and carbon unidirectionals.
 
 

 


F-35

Design: F35 DB  
Daggerboard
 
Standard construction is balsa core with foam leading and trailing edges, using carbon skins and carbon unidirectionals.
 
 
Will also fit F-33
 

This F35 daggerboard is crated for a trip to the UK.   Shipping overseas via freight forwarder is surprisingly affordable.

Customer says: "Phil

In terms of the fit we just put some nylon shims front back & sides etc and we have a perfect fit with zero side or front back wobble.  She is much lighter than the previous board ...  We also had a high aspect ratio rudder made in the UK, and the combination of the two seems to have given the boat an extra zip in performance.  We have yet to race boat for boat against some of our bench marks boats from last season - but am expecting a performance boost.  

The finish and quality of the board look great. 

Regards and thanks

Brian"

At time of writing he'd just taken fastest time in Class A multihull in the 2005 'Round the Island' Race in the UK


Other Projects:

F41 Daggerboard

At 12 feet in length, this project took every available inch of my old workshop.  Of the choices that are offered in the design drawings, the customer decided to have the blank built of 5lb Core-Cell, with a high density (12lb) insert running down the center.  The insert itself is wrapped in heavy biaxial fiberglass, the rest of the blank laminated around it (including a trailing edge insert of G10), and then milled.  The shaped core was then laminated with 3 more layers of heavy biaxial fiberglass.   From that point, the customer intends to finish it himself, laying in the carbon fiber unidirectionals (you can see the rebate for these running down the center of the board) and then covering with a final skin of light weight fiberglass.

 

The computer generated image indicates where the rebate is milled for the unidirectionals

Milling a 12' daggerboard on an 8' table!  
In the vacuum bag:
Ready to ship:

The customer had this to say in a letter to Ian Farrier and myself: 

"I thought I would write you both to thank you again for such a great board.  It was so easy to finish off after your great work Phil.  I have sailed it hard to windward in 20 kts+ wind and 6' waves with no problems thanks to your design work Ian.  It is so nice to have a board I can trust. 
 
As for performance it is fantastic.  I can out point and foot  Farr 395's with no vibration.  My top windward speed has increased to 9.8 knots.  Off the wind the boat easily accelerates to 15+ again with no vibration.  With the pressure off the board will float up to the half way mark when released.  Everyone asks where mine came from and is one enough.  I pass along your names and yes one works extremely well if it is vertical in the hull.
 
I just can't brag enough about it thanks to you two.  A friend just had to withdraw from the Port Huron Mac when his new carbon boards folded, both of them.  I suggested he contact both of you for a far better solution. 
 
Thanks again to both of you.
 
Bob"

F25C Rudder

This was built in response to a customer that wanted a deeper rudder than the original.  He also specified that the rudder be swept forward slightly when compared to the original.  The length on this one is 42" when measured from the rudder post location.  Rudder post has been increased to 2".  Note that due to the increased length and wetted area of this rudder, even with the increased diameter of the rudder post, loads on the post are significantly higher than the original design and the margin of safety is correspondingly reduced.   He was kind enough to send in a picture of the rudder mounted on the boat.


F31 Rudder

The customer requested a deeper rudder, while keeping with the original chord length at the cassette. A new cassette was also built to accommodate the larger rudder post (and save weight)

The new rudder features a 2" carbon fiber post, with both carbon and eglass laminates over a core of cedar and douglas fir strips.

The cassette is fabricated with carbon fiber over a foam core, with mahogany inserts where needed.

The rudder inserted in the cassette.  Note the cassette and rudder are finished in epoxy primer below the waterline.

The total weight of the two components is just 15kg, a substantial savings over the original foils.

Nice fit of the top of the rudder to bottom of the new cassette.

This customer had his boat converted to the transom hung rudder by Corsair (with aluminium headstock), then requested I build a deeper, higher aspect blade for it.  We got rid of a few square inches of wetted area at the same time.

Customer says: 

"Thus far I've been quite pleased with the rudder produced by Phil's Foils.  A little fill-n-drill to get the pivot point right gave me the balance I was looking for.  And there is plenty of power under most all conditions.  As you might imagine, the higher-aspect foil is a tad more sluggish making tight turns at ridiculously slow speeds, such as docking, but that can be accommodated with a little planning.  This rudder also seems to work well with the auto pilot.  Today I sailed out ~10 miles to weather at 10 knots and back in under spinnaker at ~12-14 knots, all the way under autopilot.  The previous rudders would require a lot more helming and were prone to spin out under autopilot, particularly w/ spinnaker and steering to the apparent wind.  At any rate, I've been very happy with the rudder and with Phil for his help on the design.
 
Colin"

 

Guidelines for Compatibility between Farrier Models - these are only guidelines, remember some models have had design changes over time.

 



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Revised: May 26, 2008